Abbot sits where he can get involved and ask questions. In addition, he brings questions that he wants answered from the last lecture, so he can ask the teacher at the beginning of class

When the absence of a drug creates a craving to satisfy a physiological or psychological need, that is a sign of drug

use. abuse. addiction. overdose.

Rule-based categorization involves typically involves the use of ______________, while categorization using prototypes involves _____________

A) comparison; definitions B) definitions; comparison C) concepts; graded memberships D) graded memberships; concepts